Most people check into rehab to get rid of alcohol problems. But here’s someone who wishes for rehab to kick his Diet Coke addiction of over 20 years.

Darren Jones, 38, from Stockport, Greater Manchester, easily consumes 42 liters of Diet Coke a week. His fizzy addiction costs him around £100 ($155) every week. He first started to drink Cola when he was 13. When the sugary version started to make his teeth ‘furry’, he switched to Diet. He says that in the beginning it wasn’t much of a problem, except that he gained a lot of weight. Things got worse as years went by. Jones was eventually diagnosed with diabetes, high blood pressure and his weight made it difficult for him to move around. Soon he lost his taxi driver job.